Join experts in discussion of calculus topics. This may include topics on Elementary functions, Calculating limits, derivatives and integrals. Optimization problems and Homework help is available.
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Undergrad Basic implicit differentiation question
- influx
- · Replies 3 ·
Graduate Why do partial derivatives give the Euler-Lagrange equation?
- samgrace
- · Replies 2 ·
What is the process to solve \sqrt{x}+\sqrt{y}=5 for the point (4,9)?
- riri
- · Replies 1 ·
Graduate Differentiating Under Integral Sign
- iggyonphysics
- · Replies 7 ·
Undergrad Is there a generalized curl operator for dimensions higher than 3?
- Jianphys17
- · Replies 6 ·
Undergrad How to Write Vectors in Spherical Coordinates for Scalar Product Evaluation
- Ki-nana18
- · Replies 1 ·
Trigonometric sum with a product as the argument
- Greg
- · Replies 2 ·
Undergrad What Happens to dx in Integration?
- 15adhami
- · Replies 38 ·
Undergrad Why does the chain rule give df/dx + (df/dy)(dy/dx)?
- Joseph1739
- · Replies 1 ·
Graduate Puiseux/Taylor Expansion of an Integrand pre-Integration
- Hepth
- · Replies 11 ·
Graduate Where can I find references for Continuous Wave Transform?
- Ronie Bayron
- · Replies 3 ·
Undergrad What is the limit of x^(1/log(x)) as x approaches infinity?
- Joseph1739
- · Replies 10 ·
Undergrad Can Every Indeterminate Form Be Evaluated?
- darkchild
- · Replies 4 ·
Undergrad Draw the graph of arctan((x-1)/(x+1))
- kolua
- · Replies 18 ·
Graduate Regarding Schwartz inequality and integration bounds
- p4wp4w
- · Replies 4 ·
Logarithmic Integral Calc: $$\int_{0}^{1}\ln\left(1+\sqrt{1-x^2}\right)dx$$
- juantheron
- · Replies 3 ·
How to solve certain kind of integral
- ariberth
- · Replies 3 ·
Undergrad Prove e^ln(a)*b = a^b: Intuitive Proof
- Wanted
- · Replies 4 ·
Graduate Is the Limit of a Function at a Point Always Unique?
- Alpharup
- · Replies 28 ·
Graduate How Does the Curl of Current Density Derive This Expression?
- TheCanadian
- · Replies 1 ·
Integral substitution for a polynomial function
- karush
- · Replies 4 ·
Undergrad Proof for {lim of exp = exp of lim}
- DocZaius
- · Replies 8 ·
Undergrad Can Trig Substitution with Cosine be Used Instead of Sine?
- UMath1
- · Replies 6 ·
Graduate Fourier transform with complex variables
- naima
- · Replies 6 ·
Graduate What Is the Role of Divergence in Vector Calculus?
- Physgeek64
- · Replies 5 ·
Integrating sin^7(x) from -1 to 1 using substitution
- karush
- · Replies 7 ·
Undergrad How can Arctan and ln be used to simplify the integral of (x+1)/(x^2+4x+5)?
- TheTimeTraveler
- · Replies 5 ·
Undergrad Limit of and Sin(9x)/x and 1/Cos(9x)
- Drakkith
- · Replies 3 ·
Integrating $\cos(u)\cos(\sin(u))$
- karush
- · Replies 4 ·
Calculation of a surface integral
- mathmari
- · Replies 6 ·
Graduate Surface area of a spherical cap by integration
- Moana
- · Replies 1 ·
Undergrad Integral Equations curiosity question
- Andreol263
- · Replies 3 ·
Solving for d^2y/dt^2: Finding d^2y/dt^2 with dx/dt=1/2
- riri
- · Replies 1 ·
Related rates problem: triangle with constant area and changing height
- riri
- · Replies 5 ·
Graduate Solving Divergence Problem of $\vec{B}(x,y,z)$
- Dopplershift
- · Replies 3 ·
Graduate Deriving B.31 in PDF on Squared-Angular Momentum
- TheCanadian
- · Replies 3 ·
Chain rule for real-valued functions on R^3
- Math Amateur
- · Replies 1 ·
Graduate Is there a closed form for this?
- EngWiPy
- · Replies 8 ·
Graduate How to Differentiate an Integral Involving a Probability Density Function?
- EngWiPy
- · Replies 25 ·
Undergrad What is the limit of x² as x approaches infinity?
- askor
- · Replies 3 ·
Fourier sin series of Dirac delta on half-interval
- ognik
- · Replies 3 ·
Undergrad Can someone explain the Taylor's Theorem error bound?
- A.MHF
- · Replies 4 ·
Undergrad Infinite series as the limit of its sequence of partial sums
- Fellowroot
- · Replies 3 ·
Graduate Integrated efficacy for oral drug absorption with Hill equation
- lavoisier
- · Replies 2 ·
Cauchy integral formula for e^iz/z^3 on a square contour
- ognik
- · Replies 1 ·
Integrating Fouries series problem
- ognik
- · Replies 1 ·
Convergence of the series sum of ln(1+1/n)
- ognik
- · Replies 12 ·
Graduate An inconsistent conservative vector field
- riemannsigma
- · Replies 5 ·
Graduate General Solution from Particular Solution
- Just_some_guy
- · Replies 1 ·
Graduate Impossible Integration involving cosx/sqrt(a-bcosx)
- flux!
- · Replies 4 ·
Graduate Will epsilon delta test fail if curve changed direction?
- AutumnWater
- · Replies 19 ·
Graduate Do I need to integrate twice for calculating velocity in Kerbal Space Program?
- iknowsigularity
- · Replies 3 ·
Undergrad Does the order of integration matter in double integrals?
- haha1234
- · Replies 7 ·
Graduate Euler Lagrange Derivation (Taylor Series)
- bananabandana
- · Replies 6 ·
Undergrad Summing a Function Value Over an Interval
- mwspice
- · Replies 10 ·
Graduate Euler-Lagrange equations for a functional with double integrals
- phi1123
- · Replies 5 ·
Are local min/max of a cubic function determined by the zeros alone?
- karush
- · Replies 3 ·
Is f'(z) = e^(-1/z)/z² and where is this function analytic?
- ognik
- · Replies 5 ·
How Does the Function $f(x) = \frac{1}{g(x)}$ Behave?
- karush
- · Replies 1 ·
Undergrad Volume between a unit sphere and cone of half-angle alpha
- MaryCatherine
- · Replies 3 ·
Convergence of sum 1/(n·n^(1/n)) by limit comparison test
- ognik
- · Replies 2 ·
Graduate How Can One Solve This Complex Trigonometric Integral Analytically?
- Rmehtany
- · Replies 4 ·
Limit of (sqrt(16x^4+64x^2)) /(2x^2_4)
- karush
- · Replies 2 ·
Graduate The rigor of using differentials in line elements
- axmls
- · Replies 5 ·
Graduate Approximation with small parameter
- avikarto
- · Replies 2 ·
Why iπ in Contour Integration for Improper Integral Involving ln?
- jacobi1
- · Replies 11 ·
Undergrad How does induction derive the recurrence relation at n=j+1 from n=j?
- bubblewrap
- · Replies 11 ·
Undergrad Unpacking the Implication of a Formula: n=2
- bubblewrap
- · Replies 3 ·
Undergrad Integration by parts on ∫₀^∞ xe⁻ˣdx gives wrong boundary term
- flux!
- · Replies 2 ·
Graduate Can Complex Derivatives Clarify Div and Curl Properties?
- Mappe
- · Replies 1 ·
Finding the Spherical Polar Fourier Transform with Variable Change
- ognik
- · Replies 4 ·
Undergrad Converging Series: Comparison Test w/ 1/n^2
- REVIANNA
- · Replies 2 ·
Undergrad How to Solve Limits Involving Square Roots and Infinity?
- askor
- · Replies 14 ·
Undergrad Integration where am I going wrong?
- fuofa
- · Replies 4 ·
Undergrad Understanding Limits - Spivak Calculus
- Sirsh
- · Replies 4 ·
Understanding R-1/R and its Equivalence
- Harry2
- · Replies 2 ·
Graduate Geometric proof cross product distributes over addition
- Odious Suspect
- · Replies 16 ·
Graduate Spivak Thomae's Function proof explanation
- Alpharup
- · Replies 35 ·
Solving 3r(r+1)=r(r+1)(r+2)-r(r-1)(r+1) and Finding r(r+1) Sum
- Harry2
- · Replies 3 ·
Sightseeing boat and writing equation
- mathgeek7365
- · Replies 1 ·
Undergrad Calculating the Volume of a Rotated Solid Using Calculus
- anthonybommarito1
- · Replies 6 ·
Graduate Area of a sector is the integral of arc length?
- 24forChromium
- · Replies 2 ·
What is the solution to the integral without an equation?
- karush
- · Replies 4 ·
Undergrad Is ln(x) differentiable at negative x-axis
- Miraj Kayastha
- · Replies 4 ·
Graduate The point of the Euler-Lagrange equation?
- NihalRi
- · Replies 5 ·
Graduate Integral of x tan(x)cos(tan²(x)) from 0 to infinity
- Utilite
- · Replies 2 ·
Solving for $k$: $\pi\int_{-1}^{1} u\left(x\right)^2 \,dx = 6\pi$
- karush
- · Replies 5 ·
High School Why can "dx" in integration be multiplied?
- Kelly333
- · Replies 9 ·
Undergrad Approximating θ/2 as θ for small angles: Is the error significant?
- physics user1
- · Replies 1 ·
Graduate Can the Nabla Operator Be Applied Before Inversion in Tensor Calculations?
- Compengineering
- · Replies 1 ·
Particle Velocity at Instaneous Rest: 3${t}^{2}-{t}^{2}+C$
- karush
- · Replies 6 ·
Finding velocity and position at t=2 given acceleration
- karush
- · Replies 3 ·
High School Simplifying Trigonometric Antiderivative using Right Triangles?
- OmniNewton
- · Replies 3 ·
Graduate Greeks, Circles, Small Straight lines and Calculus
- observer1
- · Replies 4 ·
Undergrad Odd/Even functions and integration of them
- FaraDazed
- · Replies 2 ·
Confirming $\arcsin(-\sin(\frac{3\pi}{2}))$
- Guest2
- · Replies 1 ·
A particle traveling in a strainght line passes a fixed point O
- karush
- · Replies 3 ·
Help reading mathematical handwriting in attached pdf
- Evin Baxter
- · Replies 8 ·
How do I differentiate $\cos(x+y)$?
- Guest2
- · Replies 4 ·
Graduate Implications of varying the definition of the derivative?
- japplepie
- · Replies 5 ·